diff --git a/install_context_menu.reg b/install_context_menu.reg
index d0817b8..a3e92bc 100644
--- a/install_context_menu.reg
+++ b/install_context_menu.reg
@@ -1,7 +1,7 @@
 Windows Registry Editor Version 5.00
 
-[HKEY_CURRENT_USER\Software\Classes\AllFileSystemObjects\shell\Group by date]
+[HKEY_CURRENT_USER\Software\Classes\AllFileSystemObjects\shell\C_Group by date]
 @="Group by date"
 
-[HKEY_CURRENT_USER\Software\Classes\AllFileSystemObjects\shell\Group by date\command]
+[HKEY_CURRENT_USER\Software\Classes\AllFileSystemObjects\shell\C_Group by date\command]
 @="C:\\Users\\administrator\\go\\bin\\dategrouper.exe \"%1\""
\ No newline at end of file
diff --git a/uninstall_context_menu.reg b/uninstall_context_menu.reg
index 47c9e86..0612309 100644
--- a/uninstall_context_menu.reg
+++ b/uninstall_context_menu.reg
@@ -1,8 +1,4 @@
 Windows Registry Editor Version 5.00
 
-[-HKEY_CURRENT_USER\Software\Classes\Directory\shell\Group by date]
-[-HKEY_CURRENT_USER\Software\Classes\Directory\shell\Group by date\command]
-[-HKEY_CURRENT_USER\Software\Classes\*\shell\Group by date]
-[-HKEY_CURRENT_USER\Software\Classes\*\shell\Group by date\command]
-[-HKEY_CURRENT_USER\Software\Classes\AllFileSystemObjects\shell\Group by date]
-[-HKEY_CURRENT_USER\Software\Classes\AllFileSystemObjects\shell\Group by date\command]
\ No newline at end of file
+[-HKEY_CURRENT_USER\Software\Classes\AllFileSystemObjects\shell\C_Group by date]
+[-HKEY_CURRENT_USER\Software\Classes\AllFileSystemObjects\shell\C_Group by date\command]
\ No newline at end of file